By bike to the mouth of the Oka -Zusha River. Drone shooting 

yandex.ru/maps/?l=sat%2Cskl&ll=36.396170%2C53.355497&rl=36.373268%2C53.343250~0.015278%2C0.000770~0.001202%2C0.015715~-0.000687%2C0.005802~-0.002661%2C0.000770~0.003433%2C0.001437~-0.003176%2C0.001566~-0.000901%2C0.002772~-0.005407%2C0.001027~0.004249%2C0.005466~0.002789%2C0.001873~-0.001202%2C0.005645~-0.005450%2C0.000513~-0.012445%2C0.005208~0.011116%2C0.002129~0.000343%2C0.001334~0.007725%2C0.001590~0.001073%2C0.007720~-0.004163%2C0.001667~-0.001631%2C0.004231~0.007339%2C0.005615~-0.000772%2C0.003051~0.004721%2C-0.001000~0.003133%2C0.003076~-0.000472%2C0.005716~-0.006437%2C0.005869~-0.005553%2C0.000396~-0.006824%2C0.004305~0.005064%2C0.004664~0.001931%2C0.006764~-0.004463%2C-0.005867~-0.001245%2C0.001332~0.001159%2C0.002434~-0.006652%2C0.004073~-0.014634%2C-0.000333~-0.000386%2C-0.001563~-0.005622%2C-0.000154~-0.002275%2C-0.000282&z=14

летал 1) прямо перед Дежкино 2) в километре после Дежкино 3) высокий берег это прям перед верхним Ущерево 4) само устье 5) конечная точка - озеро в конце маршрута

@@FromTheForest57 спасибо

@@user-tq3wo5mn7m карту с компа надо открывать, у меня с телефона линейки на карте не видно